.box1>ul li {
     list-style-type: none;
     margin: 0;
     padding: 0;
     float: left;
     margin-left: 2rem;
     line-height: 3rem;
     margin-top: 0.1rem;
}

.apm1 {
     color: darkgray;

}


.box1{
     width: 100%;
     height: 15rem;
}
.waterfall {
  display: flex;
  flex-wrap: wrap;
}
 
.column {
  width: 25%; /* 每列占总宽度的25% */
}
 
.image-wrapper {
  width: 100%;
  margin-bottom: 1rem; /* 图片之间的间隔 */
}
 
.image-wrapper img {
  width: 100%;
  height: auto; /* 或者设置成具体的高度 */
  display: block;
}